C3132121111133313233121111331333133313331333133313331333133313331123133313131   >>    C313212111113331323312111133133313331333133313331333133313331333112313331313   <<    C3132121111133313233121111331333133313331333133313331333133313331123133313133   >>      C3132121111133313233121111331333133313331333133313331333133313331123133313132   >>